Features Support Mini-ITX motherboard 8 x 3.5” swappable SAS/SATA HDD Tray 2 x 2.5” SAS/SATA HDD Bay (Internal) 1 x Slim ODD Bay or 2.5” HDD Bay (Option) 1 x Full-Height/Half-Length expansion slots Support Flex-ATX Power Supply For SOHO, SMB Office, NAS, NVR, Entry-Level Server application